Hummingbird Fish Finder 571 HD DI Review

This is another Humminbird unit that provides the basic fish finding features, plus Down Imaging.

The Humminbird 571 HD DI is a monochrome unit, with quite a wide screen, 5-inch in diagonal, 640 x 320 pixel resolution 16 LvL greyscale. It’s an HD unit, delivering images of higher accuracy, in SwitchFire and Down Imaging.

It’s sonar capabilities are similar to the ones of the 561 DI model: 00 kHz / 28° or 455 kHz / 16° in SwitchFire mode, and 800 kHz / 45° or 455 kHz / 75° in DI mode

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Hummingbird Fish Finder 561 DI Review

The Humminbird 561 DI is one of the cheapest models with Down Imaging. If you’re looking for a Humminbird unit strictly for finding fish, this might be it. Although it features only a black and white screen, 12 LvL Greyscale, it’s quite wide, 5-inch in diagonal, 320 x 320 pixel resolution. Evidently, it allows you to view both DI and classic sonar imaging in split screen.

It has Dual Beam Plus sonar, just as the <span

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Humminbird Fish Finder 581i HD DI Combo Review

The Humminbird 581i HD DI Combo, is also one of the new models with HD display and Down Imaging, as it’s name suggests it. Although it only features a black and white screen, 16 lvl grayscale, the images for both SwitchFire and Down Imaging, and also the mapping displays, are quite clear and accurate.

The 581i HD DI Combo has a medium size screen, 5-inch diagonal, 640×320 pixel resolution. Along with the Down Imaging option, come quite a few other very useful features. For example, this

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Hummingbird Fish Finder 571 HD DI Portable Review

The Humminbird 571 HD DI Portable is one of the latest models in the Humminbird 500 series. So far, it’s one of the best monochrome units with Down Imaging that you can have.

It features a 5-inch diagonal, 16 LvL Grayscale screen, 640X320 pixel resolution. Even though it’s black and white, it provides excellent, crystal-clear images, with very little noise, making it very easy to distinguish between structures, vegetation and fish.

This unit is equipped with a sensitive sonar, Dual Beam

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Hummingbird Fish Finder 596c HD Review

The Hummingbird Fish Finder 596c HD is a unit focused only on tracking fish, designed to support any angler for locating the big ones or even the bait clouds, in waters up to 1200 ft. deep.

It has a 4000 PTP power output, and it’s equipped with Dual Beam Plus sonar technology, so you can scan the volume of water under your boat with a 20°, sharper sonar beam, or with a wider, 60° beam.

This unit does not have Down Imaging or Side Imaging, nor it has any GPS, trackplotting or chartplotting

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